Home / 266,118,410.20-399,177,615.30-163,997,757.40

Finding the Fourth Proportional to 266,118,410.20, 399,177,615.30 and 163,997,757.40

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Solution

The fourth proportional to 266,118,410.20, 399,177,615.30 and 163,997,757.40 is: 245,996,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,118,410.20 : 399,177,615.30 = 163,997,757.40 : x
  2. Step 2: Convert to fraction form
    266,118,410.20/399,177,615.30 = 163,997,757.40/x
  3. Step 3: Cross multiply
    266,118,410.20x = 399,177,615.30 × 163,997,757.40
  4. Step 4: Simplify right side
    266,118,410.20x = 65,464,233,713,479,936
  5. Step 5: Solve for x
    x = 65,464,233,713,479,936/266,118,410.20
  6. Step 6: Final answer
    x = 245,996,636.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.